Granted Patent
Utility
US 4,980,690 · App. 07/426,911
Bistatic radar seeker with range gating
Inventor:
William H. Fiden
Patented Case
View Patent ↗
Granted: Dec 25, 1990
Filed: Oct 24, 1989
Inventor
William H. Fiden
Assignee (at issue)
Hughes Aircraft Company
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.